268786489420 has 24 divisors (see below), whose sum is σ = 564630215184. Its totient is φ = 107480579136.

The previous prime is 268786489417. The next prime is 268786489421. The reversal of 268786489420 is 24984687862.

268786489420 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (268786489421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061199 + ... + 2187718.

It is an arithmetic number, because the mean of its divisors is an integer number (23526258966).

Almost surely, 2^268786489420 is an apocalyptic number.

268786489420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268786489420 is an abundant number, since it is smaller than the sum of its proper divisors (295843725764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

268786489420 is a wasteful number, since it uses less digits than its factorization.

268786489420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252089 (or 4252087 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 64.

The spelling of 268786489420 in words is "two hundred sixty-eight billion, seven hundred eighty-six million, four hundred eighty-nine thousand, four hundred twenty".